ZA200108683B - Method and device for supplying an electric arc melting furnace with current. - Google Patents

Method and device for supplying an electric arc melting furnace with current.

Info

Publication number
ZA200108683B
ZA200108683B ZA200108683A ZA200108683A ZA200108683B ZA 200108683 B ZA200108683 B ZA 200108683B ZA 200108683 A ZA200108683 A ZA 200108683A ZA 200108683 A ZA200108683 A ZA 200108683A ZA 200108683 B ZA200108683 B ZA 200108683B
Authority
ZA
South Africa
Prior art keywords
current
power supply
supplying
electrode
phase
Prior art date
Application number
ZA200108683A
Other languages
English (en)
Inventor
Dirk Breker
Guido Grund
Bermhard Espendiller
Klaus Schmale
Original Assignee
Sms Demag Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sms Demag Ag filed Critical Sms Demag Ag
Publication of ZA200108683B publication Critical patent/ZA200108683B/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
    • F27B3/085—Arc furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/28—Arrangement of controlling, monitoring, alarm or the like devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
    • H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
    • H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
    • H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M5/4585—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only having a rectifier with controlled elements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/005—Electrical diagrams
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details
    • H05B7/144—Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Furnace Details (AREA)
  • Discharge Heating (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Arc Welding Control (AREA)
ZA200108683A 1999-04-23 2001-10-22 Method and device for supplying an electric arc melting furnace with current. ZA200108683B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19920049A DE19920049C2 (de) 1999-04-23 1999-04-23 Verfahren und Vorrichtung zur Stromversorgung eines über einen Lichtbogen betriebenen Schmelzaggregates

Publications (1)

Publication Number Publication Date
ZA200108683B true ZA200108683B (en) 2003-04-30

Family

ID=7906642

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200108683A ZA200108683B (en) 1999-04-23 2001-10-22 Method and device for supplying an electric arc melting furnace with current.

Country Status (15)

Country Link
US (1) US6421366B1 (xx)
EP (1) EP1174004B1 (xx)
JP (1) JP2002543569A (xx)
KR (1) KR20020008159A (xx)
CN (1) CN1354968A (xx)
AT (1) ATE233465T1 (xx)
AU (1) AU5388800A (xx)
BR (1) BR0009989A (xx)
CA (1) CA2371094A1 (xx)
DE (2) DE19920049C2 (xx)
EA (1) EA004169B1 (xx)
MX (1) MXPA01009778A (xx)
UA (1) UA59489C2 (xx)
WO (1) WO2000065878A2 (xx)
ZA (1) ZA200108683B (xx)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2829312B1 (fr) * 2001-08-29 2005-02-11 Electricite De France Dispositif d'alimentation en courant continu pour four a arc
US7655160B2 (en) * 2005-02-23 2010-02-02 Electromagnetics Corporation Compositions of matter: system II
CN100455967C (zh) * 2005-07-18 2009-01-28 宝山钢铁股份有限公司 直流电弧炉的控制及保护功能的仿真模拟调试装置
EP1848248B1 (de) * 2006-04-21 2008-10-15 ABB Schweiz AG Lichtbogenofenspeisevorrichtung
EP1931023A1 (de) * 2006-12-06 2008-06-11 ABB Schweiz AG Gleichstromversorgungssystem
WO2009147551A1 (en) * 2008-06-02 2009-12-10 Philips Intellectual Property & Standards Gmbh Scalable power supply system for providing electrical power for a computer tomography device
DE102008049610A1 (de) * 2008-09-30 2010-04-08 Siemens Aktiengesellschaft Stromversorgungsanlage für einen Drehstrom-Lichtbogenofen mit Zwischenkreisumrichter zwischen Netzanschluss und Ofentransformator
EP2364058B1 (de) * 2010-03-05 2013-10-23 AEG Power Solutions B.V. Stromversorgungsanordnung
DE102010042781A1 (de) * 2010-10-21 2012-04-26 Ald Vacuum Technologies Gmbh Vorrichtung und Verfahren zur Ausfilterung von Versorgungsnetzstörungen aus einem Elektrodensignal in einem metallurgischen Elektroumschmelzverfahren
EP2643487A4 (en) 2010-11-22 2018-05-30 Electromagnetics Corporation Devices for tailoring materials
EP2821743A1 (de) * 2013-07-04 2015-01-07 Siemens VAI Metals Technologies GmbH Verfahren zum Betreiben eines Lichtbogenofens und Lichtbogenofen
DE102014206008A1 (de) * 2014-03-31 2015-10-01 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur dynamischen Einstellung eines Elektrolichtbogenofens
EP3183808A1 (de) * 2014-09-24 2017-06-28 Siemens Aktiengesellschaft Elektrische anordnung und verfahren zum erzeugen eines gleichstromes
ITUB20152674A1 (it) 2015-07-30 2017-01-30 Danieli Automation Spa Apparato e metodo di alimentazione elettrica di un forno elettrico ad arco
CN105680709B (zh) * 2016-03-11 2018-02-02 中国计量学院 前级并联后级并联型模块化ac‑dc‑dc变换器
CN209844851U (zh) * 2018-02-11 2019-12-24 于文 新型直流冶炼电炉
IT201800004847A1 (it) * 2018-04-24 2019-10-24 Metodo di fusione in un forno elettrico ad arco e relativo apparato
CN111394539B (zh) * 2020-04-17 2022-04-29 中冶京诚工程技术有限公司 三相交流电弧炉的直流控制方法及装置
IT202100007892A1 (it) * 2021-03-30 2022-09-30 Danieli Automation Spa Apparato di alimentazione elettrica
CN113937705B (zh) * 2021-10-15 2023-02-24 中铁第一勘察设计院集团有限公司 一种铁路牵引网交流融冰装置及其控制方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1488877A (en) * 1974-03-12 1977-10-12 British Steel Corp Arc furnaces
US3999117A (en) * 1974-12-23 1976-12-21 Westinghouse Electric Corporation Method and control apparatus for static VAR generator and compensator
JPS63242135A (ja) * 1987-03-27 1988-10-07 三菱電機株式会社 無効電力補償装置
IT1236363B (it) * 1989-11-30 1993-02-25 Danieli Off Mecc Forno elettrico ad arco diretto a corrente controllata e procedimento di alimentazione a corrente controllata di un forno ad arco diretto
DE4118756C2 (de) * 1991-06-06 1995-11-30 Mannesmann Ag Gleichstromlichtbogenofen
FR2704710B1 (fr) * 1993-04-30 1995-06-23 Cegelec Metals Systems Dispositif convertisseur de puissance perfectionné pour l'alimentation en courant continu d'un four électrique à arc.
DE4327894A1 (de) * 1993-08-19 1995-02-23 Abb Management Ag Verfahren zur Stabilisierung eines Stromnetzes gegen Blindlastschwankungen und Blindleistungskompensationseinrichtung
DE4343899A1 (de) * 1993-12-22 1995-06-29 Abb Management Ag Regelungsverfahren für einen Gleichstromlichtbogenofen
DE19536545A1 (de) * 1995-09-29 1997-04-03 Siemens Ag Einrichtung zur Gleichstromversorgung
DE19623540C1 (de) * 1996-06-13 1997-12-18 Asea Brown Boveri Verfahren zur Stabilisierung eines Wechselstromnetzes gegen Blindleistungsschwankungen und Blindleistungskompensationseinrichtung

Also Published As

Publication number Publication date
CA2371094A1 (en) 2000-11-02
DE50001330D1 (de) 2003-04-03
ATE233465T1 (de) 2003-03-15
UA59489C2 (uk) 2003-09-15
EA200100960A1 (ru) 2002-04-25
US6421366B1 (en) 2002-07-16
CN1354968A (zh) 2002-06-19
KR20020008159A (ko) 2002-01-29
EP1174004B1 (de) 2003-02-26
BR0009989A (pt) 2002-01-08
JP2002543569A (ja) 2002-12-17
EA004169B1 (ru) 2004-02-26
AU5388800A (en) 2000-11-10
MXPA01009778A (es) 2002-07-30
DE19920049C2 (de) 2001-10-11
WO2000065878A2 (de) 2000-11-02
EP1174004A2 (de) 2002-01-23
DE19920049A1 (de) 2000-11-02
WO2000065878A3 (de) 2001-04-26

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